21905962

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1709}}^1$

素因数の和:1770

約数の個数: 32

約数和(自身を含む): 38782800

約数和(自身を除く): 16876838

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 221, 377, 442, 493, 754, 986, 1709, 3418, 6409, 12818, 22217, 29053, 44434, 49561, 58106, 99122, 377689, 644293, 755378, 842537, 1288586, 1685074, 10952981, 21905962]

約数ペア:

[(1, 21905962), (2, 10952981), (13, 1685074), (17, 1288586), (26, 842537), (29, 755378), (34, 644293), (58, 377689), (221, 99122), (377, 58106), (442, 49561), (493, 44434), (754, 29053), (986, 22217), (1709, 12818), (3418, 6409)]